MAX16047ATN+T

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The MAX16047ATN+T is a micro-power MOSFET supervisor that provides comprehensive power-on reset and watch-dog timer circuitry. It has a very low power consumption of 17nA, providing power management reliability under a wide range of supply voltage and temperature conditions. The MAX16047ATN+T works by monitoring the supply voltage and asserting a power-on reset signal when the VDD level falls below the reset threshold. The reset signal remains active until the voltage passes this threshold. This ensures that the system properly resets itself and recovers from an unexpected power failure. Additionally, the MAX16047ATN+T also has an integrated watch-dog timer for system monitoring. The watch-dog timer allows the reset signal to be triggered by an external signal or by an internal oscillator at regular intervals, enabling the system to recover from unexpected system faults.

The MAX16047ATN+T is ideal for applications such as secure microcontrollers, embedded systems, firewalls and industrial control systems. It provides protection against reset failures due to unexpected power loss, and adds another layer of security by triggering resets at regular intervals to monitor system status. In addition, its ultra-low power consumption makes it well suited for battery-powered and low power applications, allowing devices to remain powered for long periods of time without having to worry about frequent power-ons or reset events.

The MAX16047ATN+T operates over a wide range of supply voltages (1.8V to 5.5V), and has a reset output that is open-drain and can sink up to 200mA. Additionally, the reset output has a hysteresis of 10mV and requires a falling voltage of 10mV to activate the reset output. It also features both a manual reset input and a test input to enable programmable reset events. In terms of power-up delays, the MAX16047ATN+T offers both a minimum and maximum reset time of 10ms and 500ms respectively. The watch-dog timer has a time-out period of 32s and can be programmed to operate either in one-shot or periodic modes. Finally, the device is available in a tiny 8-pin TDFN package.

In summary, the MAX16047ATN+T is a reliable and versatile power supervisor for embedded, secure and industrial applications. Its ultra-low power consumption and wide range of supply voltages make it well suited for low power devices, while its reset output and watch-dog timer provide the necessary protection against system faults and power surges. The combination of features makes this device a valuable tool for designers looking for a comprehensive and cost-effective power solution.

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